Most Kenwwods have an adapter you can buy that plugs into the CD changer control outlet that has AUX plugs...
http://www.crutchfield.com/cgi-bin/S-gsIe1JgEKqN/ProdView.asp?s=0&cc=01&i=113CAC1AX&o=&a=1


www.ChicagoCEG.com 2006 White Grand Prix